xref: /llvm-project/llvm/test/CodeGen/ARM/no-expand-memcpy-no-builtins.ll (revision c8cac156135de8e211b800ea5abe9666803b2875)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; RUN: llc -mtriple=thumbv7em-apple-unknown-macho < %s | FileCheck %s
3
4target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
5
6declare void @llvm.memcpy.p0.p0.i32(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1 immarg) #0
7declare void @llvm.memmove.p0.p0.i32(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1 immarg) #0
8declare void @llvm.memset.p0.i32(ptr noalias nocapture writeonly, i8, i32, i1 immarg) #0
9
10; Check we don't expand memcpy to a loop when the caller
11; even if we have no-builtins attached.
12
13; CHECK: bl _memcpy
14define arm_aapcs_vfpcc void @test_memcpy(ptr %p1, ptr %p2) #1 {
15  call void @llvm.memcpy.p0.p0.i32(ptr %p1, ptr %p2, i32 128, i1 false)
16  ret void
17}
18
19; CHECK: bl _memmove
20define arm_aapcs_vfpcc void @test_memmove(ptr %p1, ptr %p2) #1 {
21  call void @llvm.memmove.p0.p0.i32(ptr %p1, ptr %p2, i32 128, i1 false)
22  ret void
23}
24
25; CHECK: bl _memset
26define arm_aapcs_vfpcc void @test_memset(ptr %p1) #1 {
27  call void @llvm.memset.p0.i32(ptr %p1, i8 0, i32 128, i1 false)
28  ret void
29}
30
31attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
32attributes #1 = { "no-builtins" }
33